# File lib/pry/commands/cd.rb, line 22 def process state.old_stack ||= [] if arg_string.strip == "-" unless state.old_stack.empty? _pry_.binding_stack, state.old_stack = state.old_stack, _pry_.binding_stack end else stack = ObjectPath.new(arg_string, _pry_.binding_stack).resolve if stack && stack != _pry_.binding_stack state.old_stack = _pry_.binding_stack _pry_.binding_stack = stack end end end